.mu-front-menu {
  width: 190px;

  font-size: 14px;
}
.mu-front-menu ul,
.mu-front-menu li {
  margin: 0;
  padding: 0;

  list-style: none;
}

.mu-front-menu > ul {
  display: flex;
  flex-direction: column;
  padding: 10px 0;
}

.mu-front-menu > ul li {
  position: relative;

  display: flex;
  flex-direction: row;
  align-items: center;
  height: 28px;

  cursor: pointer;

  user-select: none;
}

.mu-front-menu > ul li:hover {
  background: var(--floatHoverColor);
}

.mu-front-menu li.item .icon-wrapper {
  display: flex;
  width: 16px;
  height: 16px;
  margin-right: 8px;
  margin-left: 10px;

  color: var(--iconColor);
}

.mu-front-menu li.item .icon-wrapper i.icon {
  position: relative;

  display: flex;
  width: 16px;
  height: 16px;
  overflow: hidden;

  color: var(--iconColor);

  transition: all .25s ease-in-out;
}

.mu-front-menu li.item .icon-wrapper i.icon > i[class^="icon-"] { 
  position: relative;
  left: -16px;

  display: inline-block;
  width: 100%;
  height: 100%;

  filter: drop-shadow(16px 0 currentColor);
}

.mu-front-menu > ul li > span {
  display: inline-block;
  flex: 1;

  color: var(--editorColor);
}

.mu-front-menu ul > li.delete > span {
  color: var(--deleteColor);
}

.mu-front-menu > ul li > .short-cut {
  margin-right: 10px;

  color: var(--editorColor50);

  transform: scale(.8);
}

.mu-front-menu .submenu {
  position: absolute;
  top: -38px;
  left: calc(100% + 3px);

  box-sizing: border-box;
  width: 190px;
  max-height: 300px;
  overflow-x: hidden;
  overflow-y: auto;

  background-color: var(--floatBgColor);
  border-radius: 2px;
  box-shadow: var(--floatShadow);
  transform: scale(0);
  transform-origin: left;
  opacity: 0;

  transition: all .25s ease-in-out;
}

.mu-front-menu .submenu.align-bottom {
  top: unset;
  bottom: -66px;
}

.mu-front-menu li.turnInto > .short-cut {
  position: relative;

  width: 40px;
  height: 20px;
}

.mu-front-menu li.turnInto > .short-cut::before {
  position: absolute;
  top: 5px;
  right: 0;

  display: block;
  width: 0;
  height: 0;

  border: 5px solid var(--editorColor30);
  border-top-color: transparent;
  border-top-width: 4px;
  border-right-color: transparent;
  border-bottom-color: transparent;
  border-bottom-width: 4px;

  content: '';
}

.mu-front-menu ul li.item.disabled {
  color: var(--editorColor30);

  cursor: not-allowed;
}

.mu-front-menu li.turnInto > .short-cut > span {
  position: absolute;
  top: 0;
  left: 50px;

  display: inline-block;
  width: 20px;
  height: 28px;
}

.mu-front-menu ul li.item.active > span,
.mu-front-menu ul li.item.active > .short-cut > span {
  color: var(--themeColor);
}

.mu-front-menu ul li.item.active > .icon-wrapper i.icon {
  color: var(--themeColor);

  opacity: 1;
}

.mu-front-menu .submenu::-webkit-scrollbar:vertical {
  width: 0;
}

.mu-front-menu li.turnInto:hover .submenu {
  transform: scale(1);
  opacity: 1;
}

.mu-front-menu .submenu ul {
  padding: 10px 0;
}
